TREA

Jack Silverman

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  • New York, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Permutation group games
    • Patent number 5,074,560
    • Issue date Dec 24, 1991
    • Jack Silverman
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Permutation group games
    • Patent number 4,957,298
    • Issue date Sep 18, 1990
    • Jack Silverman
    • A63 - SPORTS GAMES AMUSEMENTS